1.獲取偶數索引子元素
$('.bizCardReco').children('div').children('span:even').css('width','100px')
2.獲取奇數索引子元素
$('.bizCardReco').children('div').children('span:odd').css('width','100px')
1.獲取偶數索引子元素
$('.bizCardReco').children('div').children('span:even').css('width','100px')
2.獲取奇數索引子元素
$('.bizCardReco').children('div').children('span:odd').css('width','100px')
<style type=text/css>td { font-size: 12px; color: #000000; line-heig
絕對定位 + margin,讓明確寬高的盒子水平垂直居中於窗口 <!DOCTYPE> <html> <head> <meta charset="UTF-8"> <meta name="vie
二級導航實例 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <ti
3d盒子反戰 效果如圖如下: HTML重要的代碼如下: <ul> <li> <div class="box"> <div class="front">目錄
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="wi